Racing Brake Rotors

Girodisc Honda Civic Type R Rear Rings Refresh the braking performance on your Honda Civic Type R (FK8 or FL5) with the Girodisc D2-166 rear replacement rings. These are direct-fit rings designed to bolt onto your existing Girodisc two-piece rotor hats — complete with new hardware, letting you replace only the outer wear surface while keeping your rotor hats in place. Vehicle Fitment Compatible with:• 2017-2024 Honda Civic Type R (FK8 & FL5) – rear application only, with Girodisc two-piece rotor system Features • Sold as a pair (left & right) and includes new hardware kit• Direct replacement rings for Girodisc two-piece rear rotors• Machined from high-carbon iron for excellent thermal performance and durability• Maintains factory braking bias and ABS functionality when properly installed• Requires Girodisc aluminum hats — not compatible with OEM or other brand hats Specifications • Material: High-carbon cast iron• Mount type: Floating two-piece rotor system• Includes: Two rings and full hardware kit• Position: Rear• Sold/priced per pair Girodisc D2-166 Replacement Ring FAQs Will these fit non-Girodisc rotor hats? No. These replacement rings are only compatible with Girodisc two-piece rotor hats and will not bolt onto OEM or other aftermarket hats. :contentReference[oaicite:1]{index=1} Are both sides included in the kit? Yes. The D2-166 kit contains left and right rear rings along with the required hardware kit for installation. :contentReference[oaicite:2]{index=2} Why replace just the rings instead of the full rotor? Replacing only the rings allows you to refresh the braking surface, maintain the high-quality Girodisc hats, reduce cost, and avoid unnecessary full rotor replacement when the hats are still in good condition. :contentReference[oaicite:3]{index=3} Can I reuse my old mounting hardware? No. New floating hardware is included with each set and should be used for proper fitment and safety. :contentReference[oaicite:4]{index=4} Upgrade your Honda Civic Type R’s braking system with Girodisc D2-166 rear replacement rings — engineered for consistent stops, high performance, and track-ready durability.

Girodisc D2-168 Replacement Rear Rotor Ring Kit REPLACEMENT ROTOR RINGS & NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

Girodisc Ford Focus RS Rear Rings Restore your Focus RS braking system with Girodisc D2-169 rear replacement rings. These are direct-fit replacements for Girodisc two-piece rotors, designed to bolt directly onto your existing aluminum hats using the included hardware. Save money by replacing only the wear surface while keeping your high-quality Girodisc hats. Vehicle Fitment Compatible with:• 2016–2018 Ford Focus RS (rear application only, with Girodisc two-piece rotor system) High-Performance Construction Each Girodisc replacement ring is cast from a proprietary high-carbon iron alloy and precision-machined in the USA. The curved directional vanes act as centrifugal pumps to draw cooling air through the rotor, improving temperature control and braking consistency. This design reduces fade under heavy braking while extending pad and rotor life. Features • Sold as a matched left/right pair• Includes new floating hardware kit• 48 curved directional vanes for superior cooling• Maintains factory brake bias and ABS calibration• Designed exclusively for Girodisc hats – not compatible with OEM or other brands Specifications • Diameter: 302 mm• Position: Rear• Material: High-carbon cast iron• Mount type: Floating two-piece system• Includes: Two rings and full hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-169 Replacement Ring FAQs Will these fit OEM Ford rotors? No. These are engineered specifically for Girodisc two-piece rotor assemblies and will not bolt to factory Ford hats. Are both sides included? Yes. Each kit includes both left and right rear rings, plus new hardware for installation. Why replace just the rings instead of the full rotor? Replacing only the rings saves cost while maintaining your high-quality Girodisc hats and preserving the floating system’s performance benefits. Can I reuse my old hardware? No. Each kit includes brand-new hardware that must be used for correct fitment and safety. Upgrade your Ford Focus RS braking perform

Girodisc Mercedes 365x26mm Rear Replacement Rings (Dimpled & Slotted) Restore your Mercedes’ braking performance with Girodisc D2-170DS 365x26mm dimpled and slotted rear replacement rings. Designed as direct replacements for Girodisc two-piece rotors, these precision-engineered rings combine enhanced cooling with improved pad bite and reduced fade under hard braking. Vehicle Fitment Compatible with:• Mercedes-Benz S63 AMG (W222, W221)• Mercedes-Benz CL63 AMG (C216)• Mercedes-Benz SL63 AMG (R231)• Mercedes-Benz CLS63 AMG (C218)Note: These are friction rings only. They attach to existing Girodisc aluminum hats using the included floating hardware kit. Precision Machined for High-Performance Braking Each Girodisc ring is cast from a proprietary high-carbon iron alloy and machined in-house in the USA. The curved internal vanes act as centrifugal pumps to maximize airflow through the rotor, significantly improving heat dissipation during repeated heavy braking. The dimpled and slotted surface increases pad bite and keeps the braking face cleaner for consistent performance on both road and track. Features • Direct replacements for Girodisc 365x26mm rear rotors• Dimpled and slotted design enhances pad bite and debris removal• High-carbon iron alloy for improved heat resistance• Directional curved vanes provide superior cooling• Precision machined and balanced in the USA• Includes new floating hardware kit• Sold/priced per pair Specifications • Diameter: 365mm• Thickness: 26mm• Position: Rear• Material: High-carbon cast iron• Includes: Two rotor rings and complete hardware kit• Finish: Dimpled and slotted surface• Made in the USA• Sold/priced per pair Girodisc D2-170DS Replacement Ring FAQs Will these fit OEM Mercedes rotors? No. These rings are designed exclusively for Girodisc two-piece rotor assemblies. What’s the advantage of the dimpled and slotted design? It improves initial pad bite, helps expel gases, and maintains consistent friction levels during repeated braking cycles. Are these suitable for daily driving? Yes. Girodisc rotors offer quiet operation on the street while providing race-level performance when pushed hard. Do they come with new hardware? Yes. Each set includes a complete hardware kit with new drive pins, bolts, and washers for easy installation. Upgrade or refresh your AMG’s braking system with Girodisc D2-170DS rear replacement rings — the ideal balance of precision, durability, and performance for the world’s best performance sedans and coupes.

REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

Girodisc Acura NSX Rear Replacement Rings Refresh your Acura NSX’s braking performance with Girodisc 350mm rear replacement rings. Built for precision and endurance, these high-carbon iron rings are direct replacements for Girodisc two-piece rotors, maintaining your NSX’s balance of power, control, and stopping confidence. Vehicle Fitment Compatible with:• 2017–2022 Acura NSX (NC1)• 1991–2005 Acura NSX (with Girodisc or compatible 350mm rear rotor systems)Note: These are friction rings only. They mount directly to existing Girodisc aluminum hats using the included floating hardware kit. Precision-Built for Consistent Braking Each Girodisc replacement ring is cast from a proprietary high-carbon iron alloy and machined to exacting tolerances in the USA. The rotor’s directional curved vane design acts as a centrifugal air pump, drawing cooling air through the rotor to reduce heat buildup and prevent brake fade. Whether you’re carving backroads or pushing your NSX to its limits on track, Girodisc ensures reliable braking with smooth pedal feedback and long-term durability. Features • Direct replacement for 350mm Girodisc rear rotor assemblies• Designed for Acura NSX (NC1) and earlier models equipped with Girodisc systems• High-carbon cast iron delivers superior heat stability and longevity• Curved directional vanes maximize airflow and cooling• Precision machined and balanced in the USA• Includes full floating hardware kit• Sold/priced per pair Specifications • Diameter: 350mm• Position: Rear• Material: High-carbon cast iron• Includes: Two rotor rings and full hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-174 Replacement Ring FAQs Will these fit factory NSX brake setups? No. These are designed for use with Girodisc two-piece rotor systems or equivalent aftermarket aluminum hats. Do these include new hardware? Yes. Each set includes new floating hardware—pins, bolts, and washers—for a complete, ready-to-install replacement. Are these compatible with both NSX generations? Yes. They fit directly on second-gen (NC1) NSX models and first-gen NSX cars equipped with Girodisc 350mm rear brake kits. What makes Girodisc rotors better than OEM? Girodisc rotors are lighter, cooler-running, and fully serviceable. The two-piece design allows you to replace just the iron rings instead of the entire rotor assembly, saving cost over time. Upgrade your NSX’s stopping power with Girodisc D2-174 350mm rear replacement rings — race-proven performance, precision manufacturing, and American quality in every set.

Girodisc Ferrari 458, 488 Challenge Rear Replacement Rings Keep your Ferrari Challenge brakes at their best with Girodisc 458 / 488 Challenge rear replacement rings. Designed as direct replacements for existing Girodisc two-piece rotor assemblies, these 380mm iron rings deliver exceptional thermal performance and braking consistency under extreme racing conditions. Vehicle Fitment Compatible with:• Ferrari 458 Challenge• Ferrari 488 Challenge• Ferrari 488 Challenge EvoNote: These are replacement friction rings only. They install on existing Girodisc aluminum hats using the included hardware kit. Race-Proven Engineering Each Girodisc replacement ring is cast and machined in the USA using a proprietary high-carbon iron alloy for superior heat dissipation and durability. The rotor’s curved vane design functions as a centrifugal pump, pulling air through the disc to keep temperatures stable during heavy braking. This ensures consistent performance and fade resistance, lap after lap. All machining and assembly are completed in-house at Girodisc’s facility for maximum precision and quality control. Features • Direct replacement for Girodisc rear two-piece assemblies• Compatible with 458, 488, and 488 Challenge Evo applications• High-carbon cast iron resists cracking under endurance heat cycles• Curved vane internal cooling for maximum airflow• Precision machined and balanced in the USA• Includes full hardware kit for installation• Sold/priced per pair Specifications • Diameter: 380mm (approx.)• Position: Rear• Material: Proprietary high-carbon cast iron• Includes hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-183 Replacement Ring FAQs Are these compatible with OEM carbon-ceramic brakes? No. These are for vehicles equipped with Girodisc iron conversion rotors or existing Girodisc two-piece systems. Do these rings include new hardware? Yes. Each pair ships with a complete hardware kit containing new floating pins, bolts, and washers. Can I reuse my Girodisc hats? Absolutely. These rings are designed to mount directly to your existing aluminum hats using the supplied fasteners. How often should I replace the rings? Replacement intervals depend on use — typically every 2–3 race seasons for endurance cars, or when the rotor reaches the minimum thickness or shows heat cracking to the edge. Upgrade your Ferrari Challenge braking system with Girodisc D2-183 rear replacement rings — precision-engineered for maximum cooling, durability, and repeatable performance on the track.

Girodisc Corvette C6 ZR1 Rear Replacement Rings Restore top-tier braking performance on your C6 ZR1 with Girodisc rear replacement rings. Designed as a direct fit for Girodisc two-piece rotor assemblies, these rings maintain factory brake balance and deliver superior cooling, consistent pedal feel, and long-lasting durability under extreme braking loads. Vehicle Fitment Compatible with:• Chevrolet Corvette C6 ZR1 (2009–2013)Note: These are replacement rotor rings only. They bolt directly to existing Girodisc aluminum hats and include new hardware for installation. Precision Replacement for Maximum Performance Each Girodisc rotor ring is machined from a proprietary high-carbon iron casting formulated for superior heat tolerance and structural integrity. The curved vane internal design acts as a centrifugal pump, drawing cool air through the disc to reduce operating temperatures and prevent brake fade during extended track sessions. When paired with Girodisc’s floating hat assemblies, these rings provide smooth, quiet operation while maintaining optimal braking balance. Features • Direct replacement for Girodisc rear rotors on the C6 ZR1• Machined from Girodisc proprietary high-carbon iron• Curved directional vane design enhances airflow and cooling• Includes new high-strength hardware kit for reassembly• Compatible with Girodisc aluminum hats only• Made and machined in the USA• Sold/priced per pair Specifications • Application: Rear axle• Vehicle: Chevrolet Corvette C6 ZR1 (2009–2013)• Material: High-carbon cast iron• Includes replacement hardware• Made in the USA• Sold/priced per pair Girodisc D2-184 Replacement Ring FAQs: Are these complete rotors? No. The D2-184 rings are replacement friction rings only and are designed to bolt to your existing Girodisc aluminum hats using the included hardware. Do they fit factory GM rotors? No. These rings are made exclusively for Girodisc two-piece rotor assemblies and will not fit OEM or other aftermarket hats. What comes in the box? Each set includes two high-carbon iron rings and all new mounting hardware required for reinstallation. When should I replace my rings? Girodisc recommends replacing rings when they reach minimum thickness or show cracks extending to the edge. This ensures consistent braking performance and safety under high heat. Maintain peak stopping power on your C6 ZR1 with Girodisc D2-184 replacement rings — engineered for durability, rebuildability, and championship-level performance.

Girodisc D2-185 Subaru WRX STI (’18+) Rear Replacement Rotor Rings The Girodisc D2-185 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors on the 2018 and newer Subaru WRX STI. Designed to restore braking performance and durability, these iron rings provide the same cooling efficiency and lightweight characteristics as your original Girodisc setup—perfect for both spirited street driving and track use. Vehicle Fitment Compatible with all 2018+ Subaru WRX STI models, these rings are a direct-fit solution for Girodisc two-piece rear rotor systems and are not compatible with OEM or non-Girodisc hats. Direct Replacement for 2018+ WRX STI Rear Rotors Each Girodisc D2-185 replacement ring is cast and machined in the USA using Girodisc’s proprietary iron alloy for outstanding thermal capacity and strength. The curved vane internal design acts as a centrifugal air pump, pulling air through the rotor to lower operating temperatures and reduce brake fade. Sold as a pair, these rings come with a full hardware kit and mount directly to your existing Girodisc aluminum hats for a hassle-free installation. Features • Size: 316mm x 20mm• Direct replacement rings for Girodisc Subaru WRX STI (’18+) rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for superior cooling and fade resistance• Includes complete hardware kit (drive pins, washers, and bolts)• Reuses Girodisc aluminum hats• Maintains OEM brake bias and ABS function• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Girodisc Subaru WRX STI (’18+) Rear Replacement Rotor Rings FAQs Can I reuse my Girodisc aluminum hats? Yes. These replacement rings are designed to bolt directly to your Girodisc hats using the included hardware kit. Are these compatible with OEM or factory rotors? No. Girodisc rings are engineered specifically for Girodisc systems and will not fit OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and all necessary hardware for assembly. Are the rotors directional? Yes. Each ring features directional curved vanes for optimal airflow—make sure to install the correct left and right rotors. Do these improve performance over OEM rotors? Yes. Girodisc rotors offer better heat dissipation, improved consistency, and longer service life, especially under repeated heavy braking. Are they sold as a pair? Yes. The Girodisc D2-185 Subaru WRX STI (’18+) Rear Replacement Rotor Rings are sold and priced per pair and include all hardware for installation. Restore the precision braking feel of your WRX STI with Girodisc D2-185 Rear Replacement Rotor Rings—crafted in the USA for superior cooling, durability, and performance lap after lap.

Girodisc BMW F8X 368mm Rear Replacement Rings Bring your BMW’s braking performance back to peak condition with Girodisc D2-186 rear replacement rings. Designed as direct replacements for Girodisc two-piece 368mm rotors, these precision-engineered rings restore the balance, cooling, and bite that performance driving demands—whether on the street or at the track. Vehicle Fitment Compatible with:• BMW F80 M3 (2015–2018)• BMW F82 M4 (2015–2020)• BMW F83 M4 Convertible (2015–2020)• BMW F87 M2 Competition (2019–2021)• BMW F87 M2 CS (2020–2021)Note: For vehicles originally equipped with iron rotors. These rings attach directly to Girodisc aluminum hats using the included floating hardware kit. Precision-Machined for High Performance Each Girodisc rotor ring is cast from a proprietary high-carbon iron alloy and machined entirely in the USA. The directional curved vanes draw cooling air through the rotor for exceptional temperature control under hard braking. This design minimizes fade, maintains pedal feel, and extends pad life—perfect for both road and track environments. Features • Direct replacements for Girodisc 368mm rear rotors• Compatible with BMW F8X M3/M4 and F87 M2 Competition & CS• Proprietary high-carbon cast iron construction• Directional curved vane design for optimal cooling• Machined, balanced, and finished in the USA• Includes complete floating hardware kit• Sold/priced per pair Specifications • Diameter: 368mm• Position: Rear• Material: High-carbon cast iron• Includes: Two rotor rings and new hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-186 Replacement Ring FAQs Do these fit factory BMW rotors? No. These are designed exclusively for Girodisc two-piece rotor assemblies and will not fit OEM rotors. Are these track-ready? Yes. Girodisc rotors are engineered to deliver consistent performance and cooling during high-speed, high-temperature driving. Is new hardware included? Yes. Each pair ships with fresh floating hardware for secure installation. When should I replace the rings? Replace when the rotor surface is below minimum thickness or cracks extend to the outer edge. Rebuild your braking system with Girodisc D2-186 rear replacement rings—precision-engineered for BMW M performance and proudly made in the USA.

Audi 356mm Rear Replacement Rings Keep your braking system in top condition with Girodisc 356mm Rear Replacement Rings for Audi models. These rings are precision-engineered as direct replacements for existing Girodisc two-piece rotors, allowing you to restore full braking performance while reusing your aluminum hats. Each pair comes complete with new hardware, making maintenance straightforward and cost-effective. Precision Replacement, Race-Proven Quality Manufactured from Girodisc’s proprietary cast iron and machined entirely in the USA, these replacement rings deliver the same performance and reliability as your original Girodisc rotors. The curved vane internal design promotes superior cooling, reducing fade and maintaining consistent performance even under high stress. Simply bolt on the new rings using your existing Girodisc hats to regain optimal stopping power. Features Direct replacement for Girodisc two-piece rear rotors Sold in pairs and includes replacement hardware Machined from proprietary U.S.-poured cast iron for maximum durability Curved vane design ensures efficient cooling and heat dissipation Lightweight two-piece configuration reduces unsprung mass 100% made and assembled in the USA Vehicle Fitment Audi models equipped with Girodisc 356mm two-piece rear rotors Check your existing Girodisc hat part number for compatibility Audi 356mm Rear Replacement Rings FAQs: Do these rings fit OEM or factory two-piece rotors? No. Girodisc replacement rings are designed exclusively for use with Girodisc hats and are not compatible with OEM two-piece rotor systems or other brands. What is included in the kit? Each pair of replacement rings includes new hardware and instructions for installation. Your existing Girodisc aluminum hats are reused. Can I install the rings myself? Installation can be performed by experienced DIYers, but Girodisc recommends professional installation to ensure proper torque and safety. When should I replace my rings? Replace when the minimum rotor thickness is reached or if there is visible cracking, warping, or heat checking. Are these made in the USA? Yes, Girodisc rings are fully manufactured and machined in the United States using proprietary materials and processes. Restore your Audi’s track-ready braking performance with Girodisc 356mm Rear Replacement Rings — the perfect balance of precision, cooling, and lightweight design.

Girodisc Kia Stinger GT, Genesis G70 Rear Replacement Rings Maintain the exceptional braking performance of your Kia Stinger GT or Genesis G70 with Girodisc D2-204 rear replacement rings. These 350mm rotor rings are precision-engineered to restore stopping power, reduce fade, and ensure consistent braking performance under both spirited street driving and track-day conditions. Vehicle Fitment Compatible with:• 2018–2025 Kia Stinger GT (3.3T models with Brembo brakes)• 2019–2025 Genesis G70 (3.3T models with performance brake package)Note: These are friction rings only. They are designed to bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit. Engineered for Precision, Performance, and Longevity Each Girodisc ring is crafted from a proprietary high-carbon iron alloy, cast and machined entirely in the USA. The curved directional vanes act as centrifugal pumps, channeling cooling air through the disc to control temperatures during heavy braking. Whether you’re daily driving or lapping at the circuit, Girodisc replacement rings deliver quiet operation, reduced wear, and consistent braking confidence. Features • Direct replacements for Girodisc 350mm rear rotors• Compatible with Kia Stinger GT and Genesis G70 3.3T models• Proprietary high-carbon iron for superior thermal stability• Curved directional vanes enhance airflow and cooling• Fully machined, balanced, and finished in the USA• Includes new floating hardware kit• Sold/priced per pair Specifications • Diameter: 350mm• Position: Rear• Material: High-carbon cast iron• Includes: Two rotor rings and complete hardware kit• Made in the USA• Sold/priced per pair Girodisc D2-204 Replacement Ring FAQs Do these fit factory rotors? No. These rings are designed only for Girodisc two-piece rotor assemblies and will not fit OEM Kia or Genesis rotors. Are these suitable for track use? Yes. Girodisc replacement rings are engineered for both street and motorsport applications, providing stable performance at high temperatures. Do they include all necessary hardware? Yes. Every set comes with new floating drive pins, washers, and bolts for reassembly. When should I replace the rings? Replace when the rotors reach minimum thickness or show cracks extending to the outer edge. Keep your high-performance Kia or Genesis braking sharp and consistent with Girodisc D2-204 rear replacement rings — proudly made in the USA for drivers who demand precision and reliability.

Girodisc McLaren 390mm Rear Replacement Rings These Girodisc D2-206 rear replacement rings are sold as rings only and include replacement hardware. They are engineered to be used with existing Girodisc aluminum hats and are not compatible with OEM or other aftermarket hats. D2-206  Vehicle Fitment McLaren 600LT  McLaren 720S Serviceable Two-Piece Design Rings are machined from proprietary high-carbon iron for durability and heat resistance. The 48 curved vane design acts as a centrifugal pump to draw air through the hub, improving cooling under sustained braking. Reusing your Girodisc hats helps control long-term running costs. Features Replacement rings only; reuse Girodisc hats Includes replacement hardware High-carbon iron rings for reliable performance 48 curved vanes for effective cooling Direct fit for Girodisc A2-206 rear rotor kits Girodisc McLaren 390mm Rear Replacement Rings FAQs: Do these include hats? No, these are rings only and require Girodisc hats. Are they sold as a pair? Yes, rings are sold in pairs with hardware. Can I use factory hats? No, these rings are only for Girodisc hats. What kit do these pair with? They are the replacement rings for A2-206 rear rotor kits.

Girodisc Mercedes 358mm Rear Rotor Rings The Girodisc D2-207 Rear Replacement Rotor Rings are designed as precision replacements for Girodisc two-piece rear rotors on Mercedes AMG models utilizing 358mm rear brake discs. Engineered to restore performance and maintain the same exceptional cooling efficiency and balance as your original Girodisc rotors, these rings deliver race-level performance for street or track use. Precision-Machined Performance for Mercedes AMG Each Girodisc D2-207 replacement ring is cast and machined entirely in the USA from Girodisc’s proprietary iron alloy for optimal strength, durability, and heat management. The internal curved vane design acts as a centrifugal air pump, drawing cooling air through the rotor to minimize fade and distortion during heavy braking. These rings bolt directly to your existing Girodisc aluminum hats and include all necessary hardware for installation. Features • Size: 358mm diameter• Direct replacement for Girodisc Mercedes AMG rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for enhanced cooling• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Maintains factory brake bias and ABS functionality• Sold/priced per pair• Not compatible with OEM or non-Girodisc hats Vehicle Fitment • Mercedes AMG models equipped with 358mm rear Girodisc rotors• Commonly fits AMG C63, E63, and S-Class variants (verify rotor size)• Designed exclusively for Girodisc two-piece rotor systems• Will not fit OEM two-piece rotors or other aftermarket hats Girodisc D2-207 Mercedes Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These rings are designed to bolt directly to your Girodisc aluminum hats using the supplied hardware. Are these compatible with OEM or other aftermarket rotors? No. Girodisc replacement rings only fit Girodisc two-piece rotor systems and are not compatible with OEM components. What’s included in the package? Two 358mm iron rotor rings (left and right) and a full hardware kit for assembly. Are these rotors directional? Yes. Each rotor features directional curved vanes for proper cooling airflow. Make sure to install the correct left and right rings accordingly. How do these compare to OEM rotors? Girodisc rotors offer reduced weight, superior heat dissipation, and better long-term consistency under repeated heavy braking compared to factory one-piece discs. Are they sold as a set? Yes. The Girodisc D2-207 Mercedes 358mm Rear Replacement Rotor Rings are sold and priced per pair, complete with hardware. Keep your AMG braking system operating at peak performance with Girodisc D2-207 Rear Replacement Rotor Rings—crafted in the USA for superior thermal control, endurance, and precise fitment on high-performance Mercedes vehicles.

Girodisc D2-209 Alfa Romeo Giulia / Stelvio QV (CCM) Rear Replacement Rotor Rings The Girodisc D2-209 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors on Alfa Romeo Giulia and Stelvio Quadrifoglio models equipped with factory Carbon Ceramic (CCM) brakes. These high-performance iron rings convert your carbon ceramic setup to an iron-based Girodisc system, offering superior durability, serviceability, and consistent performance for both street and track use. Precision Conversion for CCM-Equipped Quadrifoglio Models Each Girodisc D2-209 ring is machined in the USA from Girodisc’s proprietary cast iron alloy, providing exceptional thermal stability and balanced friction. The internal curved vane design acts as a centrifugal air pump, drawing cooling air through the rotor to prevent fade and maintain braking consistency. Sold as a pair and supplied with new hardware, these rings are a direct bolt-on fit to your existing Girodisc aluminum hats. Features • Direct replacement for Girodisc Alfa Romeo Giulia and Stelvio QV (CCM) rear rotors• Converts carbon ceramic rotors to iron for enhanced durability• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for optimized cooling• Includes full hardware kit for installation• Reuses Girodisc aluminum hats• Sold/priced per pair• Not compatible with OEM or non-Girodisc hats Vehicle Fitment • Alfa Romeo Giulia Quadrifoglio (CCM-equipped) – Rear• Alfa Romeo Stelvio Quadrifoglio (CCM-equipped) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or other aftermarket two-piece systems Girodisc D2-209 Rear Replacement Rotor Rings FAQs Can I reuse my Girodisc aluminum hats? Yes. These replacement rings are designed to bolt directly to your Girodisc aluminum hats using the supplied hardware kit. Do these fit OEM carbon ceramic rotors? No. Girodisc rings are designed specifically for Girodisc two-piece systems and will not fit factory CCM hats. What’s included in the package? Two iron rotor rings (left and right) and a complete set of new drive pins, washers, and fasteners. Are these rotors directional? Yes. Each ring has directional curved vanes for optimal airflow—ensure proper orientation when installing. Why convert from CCM to Girodisc iron rotors? Iron rotors offer better heat dissipation, easier servicing, and significantly lower replacement costs while maintaining strong braking performance. Are they sold as a pair? Yes. The Girodisc D2-209 Alfa Romeo Giulia / Stelvio QV Rear Replacement Rotor Rings are sold and priced per pair and include all required mounting hardware. Upgrade your Quadrifoglio’s CCM braking system with Girodisc D2-209 Rear Replacement Rotor Rings—engineered for maximum durability, cooling efficiency, and repeatable performance on both road and track.

Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings The Girodisc D2-211 Rear Replacement Rotor Rings are precision-engineered replacements for Girodisc two-piece rear rotors fitted to the Chevrolet Camaro SS and ZL1. These high-performance iron rings are designed to restore your braking system’s cooling efficiency and stopping consistency under street or track conditions. Engineered for High-Performance Camaro Applications Manufactured in the USA, each Girodisc D2-211 ring is cast from Girodisc’s proprietary iron alloy for superior durability, temperature control, and friction stability. The curved vane design functions as a centrifugal air pump, efficiently directing cooling air through the disc to reduce fade during heavy braking. Supplied as a pair with all-new hardware, these rings mount directly to your existing Girodisc aluminum hats for a perfect fit. Features • Direct replacement for Girodisc Chevrolet Camaro SS / ZL1 rear rotors• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for improved cooling• Includes complete hardware kit for installation• Reuses Girodisc aluminum hats• Optimized for strength, heat capacity, and weight balance• Sold/priced per pair• Not compatible with OEM or other aftermarket hats Vehicle Fitment • Chevrolet Camaro SS (All Years) – Rear• Chevrolet Camaro ZL1 (All Years) – Rear• Designed for Girodisc two-piece rotor systems• Will not fit OEM or non-Girodisc 2-piece rotors Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings FAQs Can I reuse my existing Girodisc hats? Yes. These rings are designed to bolt directly to your Girodisc aluminum hats using the included hardware. Are these compatible with OEM or factory rotors? No. Girodisc replacement rings only fit Girodisc two-piece systems and will not fit OEM or other aftermarket hats. What’s included in the kit? Two iron rotor rings (left and right) and a complete hardware kit for easy installation. Are these rotors directional? Yes. Each ring has directional curved vanes—ensure proper left/right installation for maximum airflow and cooling performance. How do these perform compared to OEM rotors? Girodisc rotors run cooler, resist warping, and reduce unsprung weight, improving both braking consistency and suspension response. Are they sold as a set? Yes. The Girodisc D2-211 Chevrolet Camaro SS / ZL1 Rear Replacement Rotor Rings are sold and priced per pair, complete with hardware. Maintain top-tier braking performance and reliability with Girodisc D2-211 Rear Replacement Rotor Rings—crafted in the USA for your Chevrolet Camaro SS or ZL1 to deliver consistent, track-proven stopping power and long-term durability.